113402125 has 8 divisors (see below), whose sum is σ = 141526008. Its totient is φ = 90721600.

The previous prime is 113402099. The next prime is 113402147. The reversal of 113402125 is 521204311.

It can be written as a sum of positive squares in 4 ways, for example, as 36348841 + 77053284 = 6029^2 + 8778^2 .

It is not a de Polignac number, because 113402125 - 2¹⁹ = 112877837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453484 + ... + 453733.

It is an arithmetic number, because the mean of its divisors is an integer number (17690751).

Almost surely, 2^113402125 is an apocalyptic number.

It is an amenable number.

113402125 is a deficient number, since it is larger than the sum of its proper divisors (28123883).

113402125 is an frugal number, since it uses more digits than its factorization.

113402125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907232 (or 907222 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 113402125 is about 10649.0433842670. The cubic root of 113402125 is about 484.0316171887.

Adding to 113402125 its reverse (521204311), we get a palindrome (634606436).

It can be divided in two parts, 11 and 3402125, that added together give a triangular number (3402136 = T₂₆₀₈).

The spelling of 113402125 in words is "one hundred thirteen million, four hundred two thousand, one hundred twenty-five".